公开(公告)号：US20210071021A1

公开(公告)日：2021-03-11

申请号：US16957487

申请日：2018-12-14

Applicant: KAO CORPORATION

Inventor： Yuta MATSUMOTO ,  Azusa KURODA ,  Kazuki ISHIDA

IPC: C09D11/322 ,  C09D11/102 ,  B41J2/01 ,  C09D11/107

Abstract: The present invention relates to an ink-jet printing method of overprinting a first ink and a second ink on a low-liquid absorbing printing medium, in which the first ink and the second ink are respectively in the form of a water-based ink containing a colorant (A), a polymer (B), an organic solvent (C) and water, and satisfy the following formulae (1) and (2), said ink-jet printing method including the steps of forming characters or images using at least one ink as the first ink, and then forming a background image using the second ink such that the background image is superimposed on at least a part of the characters or images formed by the first ink: [T2−T1]